20709606960

素因数分解:

$2^4\times 3^6\times 5^1\times 7^2\times {\mathrm{7247}}^1$

素因数の和:7292

約数の個数: 420

約数和(自身を含む): 83989722528

約数和(自身を除く): 63280115568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 162, 168, 180, 189, 196, 210, 216, 240, 243, 245, 252, 270, 280, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 486, 490, 504, 540, 560, 567, 588, 630, 648, 720, 729, 735, 756, 784, 810, 840, 882, 945, 972, 980, 1008, 1080, 1134, 1176, 1215, 1260, 1296, 1323, 1458, 1470, 1512, 1620, 1680, 1701, 1764, 1890, 1944, 1960, 2160, 2205, 2268, 2352, 2430, 2520, 2646, 2835, 2916, 2940, 3024, 3240, 3402, 3528, 3645, 3780, 3888, 3920, 3969, 4410, 4536, 4860, 5040, 5103, 5292, 5670, 5832, 5880, 6480, 6615, 6804, 7056, 7247, 7290, 7560, 7938, 8505, 8820, 9072, 9720, 10206, 10584, 11340, 11664, 11760, 11907, 13230, 13608, 14494, 14580, 15120, 15876, 17010, 17640, 19440, 19845, 20412, 21168, 21741, 22680, 23814, 25515, 26460, 27216, 28988, 29160, 31752, 34020, 35280, 35721, 36235, 39690, 40824, 43482, 45360, 47628, 50729, 51030, 52920, 57976, 58320, 59535, 63504, 65223, 68040, 71442, 72470, 79380, 81648, 86964, 95256, 101458, 102060, 105840, 108705, 115952, 119070, 130446, 136080, 142884, 144940, 152187, 158760, 173928, 178605, 190512, 195669, 202916, 204120, 217410, 238140, 253645, 260892, 285768, 289880, 304374, 317520, 326115, 347856, 355103, 357210, 391338, 405832, 408240, 434820, 456561, 476280, 507290, 521784, 571536, 579760, 587007, 608748, 652230, 710206, 714420, 760935, 782676, 811664, 869640, 913122, 952560, 978345, 1014580, 1043568, 1065309, 1174014, 1217496, 1304460, 1369683, 1420412, 1428840, 1521870, 1565352, 1739280, 1761021, 1775515, 1826244, 1956690, 2029160, 2130618, 2282805, 2348028, 2434992, 2608920, 2739366, 2840824, 2857680, 2935035, 3043740, 3130704, 3195927, 3522042, 3551030, 3652488, 3913380, 4058320, 4109049, 4261236, 4565610, 4696056, 5217840, 5283063, 5326545, 5478732, 5681648, 5870070, 6087480, 6391854, 6848415, 7044084, 7102060, 7304976, 7826760, 8218098, 8522472, 8805105, 9131220, 9392112, 9587781, 10566126, 10653090, 10957464, 11740140, 12174960, 12327147, 12783708, 13696830, 14088168, 14204120, 15653520, 15979635, 16436196, 17044944, 17610210, 18262440, 19175562, 20545245, 21132252, 21306180, 21914928, 23480280, 24654294, 25567416, 26415315, 27393660, 28176336, 28408240, 28763343, 31959270, 32872392, 35220420, 36524880, 36981441, 38351124, 41090490, 42264504, 42612360, 46960560, 47938905, 49308588, 51134832, 52830630, 54787320, 57526686, 61635735, 63918540, 65744784, 70440840, 73962882, 76702248, 82180980, 84529008, 85224720, 86290029, 95877810, 98617176, 105661260, 109574640, 115053372, 123271470, 127837080, 140881680, 143816715, 147925764, 153404496, 164361960, 172580058, 184907205, 191755620, 197234352, 211322520, 230106744, 246542940, 255674160, 258870087, 287633430, 295851528, 328723920, 345160116, 369814410, 383511240, 422645040, 431450145, 460213488, 493085880, 517740174, 575266860, 591703056, 690320232, 739628820, 767022480, 862900290, 986171760, 1035480348, 1150533720, 1294350435, 1380640464, 1479257640, 1725800580, 2070960696, 2301067440, 2588700870, 2958515280, 3451601160, 4141921392, 5177401740, 6903202320, 10354803480, 20709606960]

約数ペア:

[(1, 20709606960), (2, 10354803480), (3, 6903202320), (4, 5177401740), (5, 4141921392), (6, 3451601160), (7, 2958515280), (8, 2588700870), (9, 2301067440), (10, 2070960696), (12, 1725800580), (14, 1479257640), (15, 1380640464), (16, 1294350435), (18, 1150533720), (20, 1035480348), (21, 986171760), (24, 862900290), (27, 767022480), (28, 739628820), (30, 690320232), (35, 591703056), (36, 575266860), (40, 517740174), (42, 493085880), (45, 460213488), (48, 431450145), (49, 422645040), (54, 383511240), (56, 369814410), (60, 345160116), (63, 328723920), (70, 295851528), (72, 287633430), (80, 258870087), (81, 255674160), (84, 246542940), (90, 230106744), (98, 211322520), (105, 197234352), (108, 191755620), (112, 184907205), (120, 172580058), (126, 164361960), (135, 153404496), (140, 147925764), (144, 143816715), (147, 140881680), (162, 127837080), (168, 123271470), (180, 115053372), (189, 109574640), (196, 105661260), (210, 98617176), (216, 95877810), (240, 86290029), (243, 85224720), (245, 84529008), (252, 82180980), (270, 76702248), (280, 73962882), (294, 70440840), (315, 65744784), (324, 63918540), (336, 61635735), (360, 57526686), (378, 54787320), (392, 52830630), (405, 51134832), (420, 49308588), (432, 47938905), (441, 46960560), (486, 42612360), (490, 42264504), (504, 41090490), (540, 38351124), (560, 36981441), (567, 36524880), (588, 35220420), (630, 32872392), (648, 31959270), (720, 28763343), (729, 28408240), (735, 28176336), (756, 27393660), (784, 26415315), (810, 25567416), (840, 24654294), (882, 23480280), (945, 21914928), (972, 21306180), (980, 21132252), (1008, 20545245), (1080, 19175562), (1134, 18262440), (1176, 17610210), (1215, 17044944), (1260, 16436196), (1296, 15979635), (1323, 15653520), (1458, 14204120), (1470, 14088168), (1512, 13696830), (1620, 12783708), (1680, 12327147), (1701, 12174960), (1764, 11740140), (1890, 10957464), (1944, 10653090), (1960, 10566126), (2160, 9587781), (2205, 9392112), (2268, 9131220), (2352, 8805105), (2430, 8522472), (2520, 8218098), (2646, 7826760), (2835, 7304976), (2916, 7102060), (2940, 7044084), (3024, 6848415), (3240, 6391854), (3402, 6087480), (3528, 5870070), (3645, 5681648), (3780, 5478732), (3888, 5326545), (3920, 5283063), (3969, 5217840), (4410, 4696056), (4536, 4565610), (4860, 4261236), (5040, 4109049), (5103, 4058320), (5292, 3913380), (5670, 3652488), (5832, 3551030), (5880, 3522042), (6480, 3195927), (6615, 3130704), (6804, 3043740), (7056, 2935035), (7247, 2857680), (7290, 2840824), (7560, 2739366), (7938, 2608920), (8505, 2434992), (8820, 2348028), (9072, 2282805), (9720, 2130618), (10206, 2029160), (10584, 1956690), (11340, 1826244), (11664, 1775515), (11760, 1761021), (11907, 1739280), (13230, 1565352), (13608, 1521870), (14494, 1428840), (14580, 1420412), (15120, 1369683), (15876, 1304460), (17010, 1217496), (17640, 1174014), (19440, 1065309), (19845, 1043568), (20412, 1014580), (21168, 978345), (21741, 952560), (22680, 913122), (23814, 869640), (25515, 811664), (26460, 782676), (27216, 760935), (28988, 714420), (29160, 710206), (31752, 652230), (34020, 608748), (35280, 587007), (35721, 579760), (36235, 571536), (39690, 521784), (40824, 507290), (43482, 476280), (45360, 456561), (47628, 434820), (50729, 408240), (51030, 405832), (52920, 391338), (57976, 357210), (58320, 355103), (59535, 347856), (63504, 326115), (65223, 317520), (68040, 304374), (71442, 289880), (72470, 285768), (79380, 260892), (81648, 253645), (86964, 238140), (95256, 217410), (101458, 204120), (102060, 202916), (105840, 195669), (108705, 190512), (115952, 178605), (119070, 173928), (130446, 158760), (136080, 152187), (142884, 144940)]